The Wacker Neuson Main Jet Nozzle is a genuine OEM component designed for the GPi4300 and GPSi4300 Portable Inverter Generator series. As a direct OEM replacement, it is built to the exact specifications of the original part, ensuring correct fuel metering and consistent engine performance. Confirmed fitment covers both the GPi4300 and GPSi4300 generator models, so you can order with confidence knowing this is the right part for your machine.
Key Features
- Exact Fuel Flow Calibration — Manufactured to OEM specification, this jet nozzle delivers the precise orifice sizing required for correct fuel-to-air mixture in the carburetor.
- Drop-In Carburetor Replacement — Engineered to seat and seal exactly like the original, this nozzle threads directly into the carburetor body without modification.
- Broad GPi4300 & GPSi4300 Coverage — Fits multiple configurations of the Wacker Neuson GPi4300 and GPSi4300 Portable Inverter Generator lineup.
- Consistent Power Output — A correctly functioning main jet nozzle keeps fuel delivery stable across load ranges, helping the generator maintain steady voltage and frequency output.
- Fuel System Integrity — As a genuine OEM part, the 5000226127 meets the material and dimensional standards required for a safe, leak-free fuel circuit in the carburetor.
The main jet nozzle is a precisely sized orifice inside the carburetor that meters the volume of fuel drawn into the engine under normal running conditions. It controls the richness of the fuel-air mixture delivered to the combustion chamber, which directly affects engine power, fuel efficiency, and smooth operation. When a main jet nozzle becomes clogged, eroded, or damaged, the engine may run lean, surge, lose power, or fail to start altogether — making prompt replacement essential to restoring full generator performance.
Part Details
| Part Number | 5000226127 |
|---|---|
| Old Part Number | 0226127 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Main Jet Nozzle |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GPi4300 | GPi4300 | 5000620962, 5000620782, 5000620784 |
| GPSi4300 | GPSi4300 | 5000620963, 5000620783, 5000620937 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.